From c01e440d014253fd4cae9f642c949720a54baf4b Mon Sep 17 00:00:00 2001
From: Tianhao Wang <wth@riseup.net>
Date: Thu, 1 Feb 2024 15:10:11 +0100
Subject: basic interrupt/PIC support

---
 src/arch/x86_64/interrupt/mod.rs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/arch/x86_64/interrupt/mod.rs

(limited to 'src/arch/x86_64/interrupt/mod.rs')

diff --git a/src/arch/x86_64/interrupt/mod.rs b/src/arch/x86_64/interrupt/mod.rs
new file mode 100644
index 0000000..3a617e8
--- /dev/null
+++ b/src/arch/x86_64/interrupt/mod.rs
@@ -0,0 +1,23 @@
+pub mod pic_8259;
+pub mod pit;
+use crate::io::*;
+use core::arch::asm;
+
+#[no_mangle]
+extern "C" fn guardian(slot: u16) {
+	println!("interrupt received {:x}", slot);
+}
+
+#[inline(always)]
+pub fn interrupt_enable() {
+	unsafe {
+		asm!("sti");
+	}
+}
+
+#[inline(always)]
+pub fn interrupt_disable() {
+	unsafe {
+		asm!("cli");
+	}
+}
-- 
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